Inventor

ZHANG YING-HAO

CN2 patents

⚠️ This page may combine multiple inventors who share the name “ZHANG YING-HAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TG TOOLS UNITED COMPANY

1 patent

US7516686B2Apr 14, 2009

Two-flute twist drill

TG TOOLS UNITED COMPANY7 citations67

WANG BAO-JIAN

1 patent

US8930970B2Jan 6, 2015

Method and computer for obtaining using-frequency of application program

WANG BAO-JIAN2 citations41